Line tel-2 tel-1, L1 l2 l2 l1, Speech circuit & dialling circuit – Oki B4100 User Manual
Page 500: Ntif
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40055101TH Rev.4
500 /
Figure A3.14.3 Relationship between WN5 and TEL-W1 for ABX Type of INT'L Version
WN5
CN2-1
1a
2a
3a
4a
5a
6a
CN2-2
1b
2b
3b
4b
5b
6b
CN1
1
2
3
4
5
6
LINE
TEL-2
TEL-1
Route change
Loop current detection
Dial pulse genelator
Ringing detection
Network matching
Relay driver
Transmission level
Receiving sensitivity
L1
L2
L2
L1
Option
HOOK
CN2
CN1
3
3
4
2
2
1
CN6
SW2
c
c
PB a
b
c
d
DP
1
3
4
2
1
3
4
2
CN1
CN4
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
CN1
10KY
1
1
CN5
1
2
3
4
HAND
SET
Speech
Circuit
&
Dialling
Circuit
3
4
2
1
CN3
1
CN2
CN1
DB1
2
3
4
5
1
2
CN2
CN4
1
2
3
4
5
B
A
6
TA
TB
SW3-1
SW3-2
SW3-3
1
2
3
3
4
5
TEL-W1
NTIF
OFF
ON HOOK
HOOK
Ringer
circuit
R4
R5
C1
(uhunt)
SW2
Switch Setting
OFF
ON
1
UK
I, N, DK
ON
OFF
2
OFF
ON
3
2
3
4
5
6
7
8
9
*
0
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